Fourth LTS (Long Term Support) release of Ubuntu, code-named Precise Pangolin. Released on 26th April, 2012. Will go End Of Life (EOL) April 2017. Only use this tag if your question is version-specific.

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juju ssh public key issue

I have two machines on which one is running a postgresql charm and other is running the charm I'm working on. Now I need to ssh into the postgresql machine to run some database migration scripts. For ...
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42 views

802.1x config in Ubuntu 12.04

I´m trying to configure the 802.1x autentication method with ubuntu 12.04 over a wired connection with Network Access Control. I have to use EAP/TLS to get access to the network. I already have the ...
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1answer
38 views

How to update safely in Ubuntu 12.04? [duplicate]

I recently installed Ubuntu 12.04 LTS, which I had downloaded a few months ago. On the top right corner, I saw a settings button. Clicking it opened a drop down menu, which had an option of Updates ...
2
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0answers
26 views

Ubuntu 12.04: apt-get can't parse repository url if username contains @ ('at' sign)

I added a repository URL that contains to '@' (at sign) to /etc/apt/sources.list.d/myrepo.list deb https://FOO@BAR:PASS@domain.com/xyz precise non-free apt-get update fails with: Couldn't resolve ...
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0answers
17 views

Cannot login with Xserver on Ubuntu 12.04

I cannot login on my account using the X Window System. However I can login from a different machine using ssh and locally using text terminal. I tried to restart the X server with sudo restart ...
0
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1answer
60 views

Problem booting Ubuntu Server after editing /etc/fstab to mount secondary hdd

I have added a secondary hdd to my server and modified the /etc/fstab with the line UUID=1579e689-3965-47db-83a7-665cceeb6aff /media/storage ext4 defaults 0 0 but now when I am rebooting the server ...
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0answers
30 views

How can I answer terminal questions automatically [duplicate]

I want to add 10 users using terminal for i in `seq 1 10` do sudo adduser n$i done How can i answer password and other questions automatically? Enter new UNIX password: Retype new UNIX ...
0
votes
1answer
68 views

ceph fs mount error

I want to mount ceph fs with the kernel driver, but when I excute below command on my admin node mount -t ceph 192.168.0.164:6789:/ /mnt/mycephfs it return below error mount error 5 = Input/output ...
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1answer
32 views

How do I enable the wifi when the hardware switch doesn't work?

How do I enable the wifi on my laptop lenovo G50-30?
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1answer
63 views

unable to dpkg cups-pdf

By mistakenly i removed cups from my system in terminal by command sudo apt-get remove cups-pdf sudo apt-get remove cups after that i tried below sudo dpkg -i cups-pdf_2.5.0-16_amd64.deb ...
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0answers
212 views

Skipping LTS Update on Ubuntu (update directly from 12.04 to 16.04 without 14.04)

So I am currently using Ubuntu 12.04 LTS as the long term support version is supported for 5 years. I am wondering if it is possible to skip the 14.04 LTS version and update directly to 16.04 when it ...
0
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2answers
133 views

Booting to initramfs

I ran apt-get upgrade on Ubuntu 12.04 LTS and it did not finish due to an error (run out of free inodes). After reboot the GRUB menu appeared and when tried to boot my OS it displayed: /dev/disk/by-...
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2answers
81 views

Very slow ubuntu Desktop

I have use 2GB With Dual Core Processor Computer, and install ubuntu 12.04, Even though the computer is running very slow, All time Show CPU Uses 100 %, and Memory Uses 100%. So What should i do to ...
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0answers
58 views

Wlan0 not configured - Device not found

Just bought an Intel NUC and put Ubuntu 12.04 on it. It was an Intel Wireless 3165 in it. I cannot get the wireless to work but the Ethernet works fine. wlan0 is nowhere to be find and i cannot get ...
0
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0answers
34 views

What Graphics drivers do I need?

I need graphics drivers for my "video card" to get audio out from displayport. The issue is I don't know exactly what drivers I need. I tried installing the desktop version of the graphics driver for ...
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0answers
18 views

Problem with audio settings in Ubuntu 12.04

Since i got this problem i were looking the solution in Sound settings. Then im looking for a sound imput and it doesnt find one. But if look in the top panel when i have to log-in, i can find the ...
0
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0answers
56 views

Unable to build Mesa 3d Library

I'm trying to install mesaLib 7.9 (Pre-req for Paraview)on ubuntu 12.04. When I run the configure file I get this. checking build system type... x86_64-unknown-linux-gnu checking host system type......
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0answers
96 views

Boot error in Ubuntu 12.04.5 LTS: “udevd[450]: timeout: killing '/sbin/modprobe -bv pci”

after running some updates yesterday I can't boot into the newest Ubuntu version from my hard disk anymore. When I boot into "Ubuntu with Linux 3.2.0-99-generic" through GRUB I get the following error ...
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votes
1answer
92 views

running shell script using c program [closed]

I wrote a script to hide user input during runtime it works as a simple script but i want to integrate into c program but gives following errors: warning: missing whitespace after macro name error: ...
1
vote
1answer
35 views

Unable to use apt-get on Ubuntu 12.04 Virtual Machine

My ubuntu was working just fine but today it has started giving me problems. I am not able to use apt-get. there is some openssh dependency issue. I tried to solve by reading forums but I could not ...
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0answers
43 views

RT2870 chipset not working properly on an Ubuntu 12.04 guest on Windows Host but works on Mac OS host

I have a D-link DWA-140 B1 wireless router with ralink rt2870 chipset which I want to use as an access point (master mode) in an Ubuntu 12.04 Virtual-Box guest on Windows. I use hostapd to create the ...
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votes
1answer
37 views

Move file in Ubuntu 14.04 LST Desptop

I'm wanting to move a folder from downloads to a directory in the "usr/share/"here some where". I've tried manually, but permission denied. Is there a way to do it manually? I can try CLI if you guys ...
3
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0answers
83 views

PCManFM (Lubuntu 14.04) not Seeing Other Network Computers

Something has changed recently, and I can't figure out what. I have a headless server running Ubuntu 12.04 Server with Samba and CUPS and several shared drives (frankenstein). Everything worked fine ...
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0answers
34 views

Server iptables configuration

I have an application installed in the /usr/local/tomcat/fakebook directory. I want to allow any user to use the app and also all external user to use the app. I just want to allow connections to the ...
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0answers
42 views

flash player on ubuntu 12.04.4

I run ubuntu 12.04.4 and the flash payer is said to be up to date by firefox analyser, but sometimes it shows pictures fine, at other times is shows blurred and discolored pictures. what command ...
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0answers
24 views

Dependency error while installing wine on ubuntu 12.04

I'm terribly new to computers and this whole bit, but I recently installed what I'm told is Ubuntu 12.04 with Unity/Precise and it seems to be okay, but I can't for the life of me install any of the ...
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0answers
45 views

system crash no boot after update

I was running 14.04 LTS and my system crashed. When I try to re-upgrade to 14.04.4 I get a cursor on a black screen. I can get to GNU menu but have no idea where to go from there. I'm getting a little ...
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0answers
8 views

Updates causes cursor, no login

I dabble a bit in Linux and run a computer stock with 12.04 LTS. I had upgraded to 14.04 LTS and recently crashed and had to revert to factory. I have noticed many similar problems but not sure if any ...
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0answers
93 views

Need alx driver for Qualcomm Atheros AR8162

I have been having some issues with my Ubuntu 12.04. First thing I need to fix is wired connection that I may have messed up while trying to fix a wireless problem. Or maybe the update that caused ...
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0answers
20 views

Ubuntu 12.04 LTS Network

Ubuntu 12.04 LTS with my old hardware I had immediate access to network after installation. with my new hardware (Intel NUC5i5) i get after installation the message: no network connection and it ...
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votes
1answer
61 views

software center problem

I have read loads of posts about this but no solutions have worked I am new to linux this is my first install, my linux is ubuntu 12.04 lts, I cannot upgrade the upgrade has problems with my gfx on my ...
0
votes
1answer
227 views

How to migrate from PHP 5.5.* to PHP 7.0.* and upgrade the entire LAMP stack on Ubuntu Linux 12.04 LTS(64-bit) operating system?

I'm using Ubuntu 12.04 LTS (64-bit) operating system on my local machine. I've already installed LAMP stack (Linux, Apache, MySQL and PHP) on my local machine. Upon running following commands from ...
3
votes
1answer
370 views

Is Google support for Chrome in 64-bit Ubuntu 12.04 really ending?

like many others I've had a message when I open Chrome browser to say Chrome won't be supported much longer, with a link to the page telling you 32-bit linux Chrome support is ending, and you need 14....
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2answers
42 views

Ubuntu 12.04 cannot boot after running update to 3.2.0-97

I ran updates from the update manager today on my ASUS notebook and when it asked for reboot, it hung at the splash screen. Every time I try to reboot, it hangs at the splash screen. I tried ...
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0answers
30 views

Google Chrome support for Ubuntu 12.04 64-bit [duplicate]

I'm running Ubuntu 12.04 64 bit and I still get the message on Chrome saying that my OS will no longer be supported. Is this the case or does this only apply to 32-bit installations?
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1answer
82 views

Can't use apt-get upgrade - dpkg: error processing iwlwifi-firmware

I'm using Ubuntu 12.04. Whenever I try to run apt-get upgrade, the upgrade fails: Reading package lists... Done Building dependency tree Reading state information... Done The following ...
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0answers
30 views

quota report for maildir size

when I run script quota_notify for notifying maildir size for each user in postfix the report contain old users new users don't appear. I found file called maildirsize in old users directories but new ...
3
votes
1answer
47 views

output of ntpd --version

In my ubuntu 12.04 #ntpd --version ntpd 4.2.8p6@1.3265-o Wed Mar 2 06:23:51 UTC 2016 (5) in the above "(5)" represents what?
0
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1answer
61 views

compare two xls file to remove duplicate rows

I have two xls files of 8MB and 10MB. I have to merge them and remove duplicate rows. (Both files have unique rows but after merging there will be duplicate rows). I have tried merging the files, but ...
0
votes
1answer
36 views

The brightness of the screen is set to 0% automatically

After leaving my laptop for a long time, it locks automatically. But when I'm back, the brightness of the screen is set to 0% automatically, which makes me feel so inconvenient. My laptop is Dell ...
0
votes
1answer
133 views

Can I use a 12.04 kernel (v3.2) with Ubuntu 14.04 LTS instead of v3.13/4.2?

As refer to my earlier problems with 14.04, Ethernet Connection randomly disconnects after transmit queue 0 timed out I was having trouble using Ethernet in 14.04, and this problem still persists ...
0
votes
1answer
65 views

Error when trying to format USB drive

I want to format my USB drive. In terminal, I use the following commands: umount /dev/sdb1 mkfs.vfat -I -n "New Volume" "/dev/sdb1" But I could not. It shows me following error: mkfs.vfat 3.0.12 (...
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0answers
76 views

Random Black Screen Crash Ubuntu 12.04

I recently backed my pc up and did a fresh install from the same 12.04 cd I always use and since have experienced frequent and what appear to be random crashes. It seems like some kind of driver issue ...
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0answers
74 views

Unity launcher reset after each reboot and unable to change wallpaper

I recently installed Ubuntu 12.04.5LTS (32bit), now after each reboot the new icons added/removed to(from) the launcher get reset and it goes to the initial configuration, as you see below. I am ...
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0answers
42 views

generic pae errors

Ubuntu 12.04 LTS throws the following error when I try to install any apps.Followed the below URL but does not fix. apt-get won't upgrade old generic-pae cryptsetup: WARNING: failed to detect ...
0
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1answer
25 views

Error with Youtube after installing VLC

I have installed VLC media player from Software Centre. After that, my laptop can't play videos in Youtube (I use FireFox), too many lags. How can I solve this issue? Thank you in advanced. Ps: I ...
0
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1answer
98 views

Unable to correct dependencies: libc6

After installing a software, Ubuntu boots correctly but Unity does not show up (only desktop icons appear). I tried: sudo apt-get -f install user@pc:~$ sudo apt-get -f install [sudo] password for ...
0
votes
1answer
112 views

Not able to fetch following updates for 12.04?

When I try to use update manager, it is stopping with following errors. Please suggest or help me with this. Failed to fetch http://security.ubuntu.com/ubuntu/pool/main/l/linux/linux-libc-dev_3.2.0-...
0
votes
1answer
76 views

where to find Terminal log history with commands and it's results?

I tried to install Yocto project in Ubuntu 12.04, when for the first time i got few warnings, and i gave a rerun then i got some other warnings in the terminal. Now, my terminal is exceeded it's ...
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0answers
134 views

step by step solution to fan problem in Ubuntu 12.04 LTS

I quite recently replaced my laptop fan and was functioning, at least fine though the speed seems to be low in Ubuntu. Now I think after updating the system (not sure) fan does not seem working. $...